package com.ilearn.spring.future.config;

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * @Project: cmcchq 为线程池线程命名
 * @Description:
 * @Version 1.0
 * @Throws :
 * @Author: <li>2019/6/26 lyndon Create 1.0
 * @Copyright (c)2019-2019 版权所有
 * @Modified By:
 */
public class CustomThreadNameFactory implements ThreadFactory {

    private static final AtomicInteger poolNumber = new AtomicInteger(1);
    private final ThreadGroup group;
    private final AtomicInteger threadNumber = new AtomicInteger(1);
    private final String namePrefix;

    public CustomThreadNameFactory(String name) {
        SecurityManager s = System.getSecurityManager();
        group = (s != null) ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();
        if (null == name || name.isEmpty()) {
            name = "pool";
        }
        namePrefix = name + "-" + poolNumber.getAndIncrement() + "-thread-";
    }



    @Override
    public Thread newThread(Runnable r) {
        Thread t = new Thread(group, r, namePrefix + threadNumber.getAndIncrement(), 0);
        if (t.isDaemon()) {
            t.setDaemon(false);
        }
        if (t.getPriority() != Thread.NORM_PRIORITY) {
            t.setPriority(Thread.NORM_PRIORITY);
        }
        return t;
    }
}
